What does the word "vector" mean? what's the meaning
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Arrows fired with bows or crossbows are structurally divided into arrows, shafts and feathers. Arrows are divided into thin dagger type, triangle type, cone type and flat head type. The arrow shaft was called a "stick" in ancient times and was usually made of bamboo or wood. The arrow feather is closely related to the flying speed and accuracy of the arrow. There are too many arrows, and the flight speed is slow. Too little, poor stability. Arrow originated in the Neolithic Age and is one of the oldest weapons.
Extended data related phrases:
1, vector [sh ǐ li dang]?
Also known as vectors. A quantity determined by size and direction. As opposed to "scalar". Such as force, speed and other physical quantities. The operation of vectors is different from scalar, for example, the synthesis of vectors follows the parallelogram rule.
2. What is your name?
An ancient arrow. You can fire an arrow to shoot the enemy.
3. Get the vector [nê ng sh ǐ]?
An ancient opera. "Xijing Miscellanies" Volume 4: "Jingzhao? what's up Gu sheng? I have learned the art of grinding arrows and rolling pills horizontally for more than forty years. "